United States withdrawal from the Iran nuclear deal
On 8 May 2018, the United States under the first Trump administration announced its withdrawal from the Iran nuclear deal, formally known as the Joint Comprehensive Plan of Action (JCPOA). The JCPOA is an agreement on Iran's nuclear program reached in July 2015 by Iran and the P5+1 or the E3+3 and the European Union.
Source: Wikipedia — United States withdrawal from the Iran nuclear deal (CC BY-SA 4.0)